/Engine/Source/Runtime/SlateCore/Public/Input/HittestGrid.h
Given a Slate Units coordinate in virtual desktop space, perform a hittest and return the path along which the corresponding event would be bubbled.
[TArray](API\Runtime\Core\Containers\TArray)< [FWidgetAndPointer](API\Runtime\SlateCore\Layout\FWidgetAndPointer) > GetBubblePath ( [UE::Slate::FDeprecateVector2DParameter](API\Runtime\SlateCore\Types\FDeprecateVector2DParameter) DesktopSpaceCoordinate, float CursorRadius, bool bIgnoreEnabledStatus, int32 UserIndex )